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Audi A1 vs Kia Stonic comparison

Compare performance (207 HP vs 115 HP), boot space and price (20,000 £ vs 20,400 £ ) at a glance. Find out which car is the better choice for you – Audi A1 or Kia Stonic?

Audi A1 vs Kia Stonic: Key differences

Audi A1

2.4 (1 Reviews)
rate
  • very slightly cheaper
  • significantly more power
  • marginally more efficient
  • substantially quicker 0–100 km/h
  • very slightly lighter
details

Kia Stonic

4.6 (2 Reviews)
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  • only slightly more trunk space
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

Here’s where it gets real: The technical differences in detail

A1

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Audi A1 is very slightly cheaper – starting at 20,000 £ , while the Kia Stonic costs 20,400 £ . That’s a price difference of around 420 £.

Fuel consumption also shows a difference: the Audi A1 uses 5.2 L/100km and is marginally more efficient than the Kia Stonic with 5.6 L/100km. The difference is about 0.4 L/100km.

Stonic

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Audi A1 offers significantly more power – delivering 207 HP compared to 115 HP. That’s roughly 92 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A1 is substantially quicker – completing the sprint in 6.5 s, while the Kia Stonic takes 10.7 s. That’s about 4.2 s quicker.

There’s also a difference in torque: the Audi A1 delivers noticeably more torque with 320 Nm compared to 200 Nm. That’s about 120 Nm more.

A1

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In terms of curb weight, Audi A1 is very slightly lighter – 1,175 kg compared to 1,205 kg. The difference is around 30 kg.

Looking at boot space, the Kia Stonic offers only slightly more boot space – 352 L compared to 335 L. That’s a difference of about 17 L.

When it comes to payload, the Audi A1 carries barely more – 470 kg compared to 445 kg. That’s a difference of about 25 kg.

Who wins the race in the data check?

The Audi A1 holds a decisive overall lead in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from £20,000
A1

Audi A1

  • Engine Type Petrol
  • Transmission Manuel, Automatic
  • Drive Type Front-Wheel Drive
  • Power HP 95 - 207 HP
  • Consumption L/100km 5.2 - 6.4 L/100km
details

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Audi A1
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A1

The Audi A1 is a compact premium hatch that wraps Audi's polished design and surprisingly grown-up cabin into a city-friendly package. It’s poised and fun to drive, a smart pick for buyers who want luxury flair without the fuss of a bigger car — and it makes tight parking feel almost enjoyable.

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Reviews Audi A1

2.4 (1 Reviews)
rate

No reviews yet. Share your experience and help others decide.

Kia Stonic

The Kia Stonic is a compact crossover that pairs nimble city manners with a surprisingly spacious and comfortable cabin. It’s a practical, well-equipped choice for buyers who value sensible features, approachable styling and easy everyday usability.

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Reviews Kia Stonic

4.6 (2 Reviews)
rate
Jan
18 Mar 2026, 07:19:10

Very good car, uses little fuel, nothing's gone wrong in 4 years, no breakdowns.

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Ennio
4 Feb 2026, 13:19:36

I'm very satisfied — I have a Stonic Black Edition hybrid, and I haven't had any problems after two years.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Audi A1
Kia Stonic

Costs and Consumption
Price
20,000 - 28,800 £
Price
20,400 - 26,800 £
Consumption L/100km
5.2 - 6.4 L/100km
Consumption L/100km
5.6 - 5.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
118 - 146 g/km
co2
126 - 128 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,175 - 1,365 kg
Curb weight
1,205 - 1,270 kg
Trunk capacity
335 L
Trunk capacity
352 L
Length
-
Length
-
Width
1,740 - 1,756 mm
Width
1,760 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
410 - 470 kg
Payload
440 - 445 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol, Petrol MHEV
Transmission
Manuel, Automatic
Transmission
Manuel, Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Front-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
95 - 207 HP
Power HP
100 - 115 HP
Acceleration 0-100km/h
6.5 - 11.5 s
Acceleration 0-100km/h
10.7 - 12.1 s
Max Speed
-
Max Speed
-
Torque
175 - 320 Nm
Torque
172 - 200 Nm
Number of Cylinders
3 - 4
Number of Cylinders
3
Power kW
70 - 152 kW
Power kW
74 - 85 kW
Engine capacity
999 - 1,984 cm3
Engine capacity
998 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
D, E
CO2 Efficiency Class
D
Brand
Audi
Brand
Kia
What drivetrain options does the Audi A1 have?

The Audi A1 is available as Front-Wheel Drive.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.